Compact screwdriver bit

Details Compact screwdriver bit Compact screwdriver bit

1975-09-15

1977-10-18

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

B25B 1300

Patent

active

040540677

ABSTRACT:
A compact screwdriver bit which can be operated interchangeably by a known type one way ratchet wrench type driver having a square shaped bit receiving opening or by a known spinner type handle having a bit controlling member. The bit employs an elongated shank having a screwdriver tip at one end and a body at the other end, the body having an axially extending opening. When the wrench type driver is used, the body is fitted into the bit receiving opening. When the screwdriver type driver is used, the bit controlling member is fitted into the opening in the body.

REFERENCES:
patent: 505535 (1893-09-01), Porstendorfer
patent: 837537 (1906-12-01), Beyer
patent: 1305249 (1919-06-01), Buck
patent: 2531722 (1950-11-01), Brubeck
patent: 3508455 (1970-04-01), Miller
patent: 3575069 (1971-04-01), White

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